public static bool HasPropertyForSelectedItem(this PropertyInfo propertyInfo, Type viewModelType)
{
if (!typeof(IEnumerable).IsAssignableFrom(propertyInfo.PropertyType))
{
throw new ArgumentException("property must be an IEnumerable to get the SelectedItem property");
}
return
(viewModelType.GetInstanceProperties()
.Any(pi => SelectedItemPropertyFilter.GetPossiblePropertyNames(propertyInfo).Contains(pi.Name)));
}
public static PropertyInfo GetPropertyForSelectedItem(this PropertyInfo propertyInfo, Type viewModelType)
{
if (!typeof(IEnumerable).IsAssignableFrom(propertyInfo.PropertyType))
{
throw new ArgumentException("property must be an IEnumerable to get the SelectedItem property");
}
var collectionItemType = propertyInfo.PropertyType.GetCollectionItemType();
return
(viewModelType.GetInstanceProperties()
.SingleOrDefault(
pi =>
pi.PropertyType.IsAssignableFrom(collectionItemType) &&
SelectedItemPropertyFilter.GetPossiblePropertyNames(propertyInfo).Contains(pi.Name)));
}